Magnetic Reed Switches

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Part	Manufacturer	Switch Type	Mounting Feature	Switch Function	Maximum Pull In	AC Maximum Rating R Load (Contact)	Minimum Drop-out Value	Minimum Pull In	Packing Method	Body Length/Diameter	Body Width	Sealing	Body Height	DC Maximum Rating R Load (Contact)	Maximum Operating Temperature	Maximum AC Contact Current	Minimum Operating Temperature	Nominal Resonant Frequency	Terminal Finish	Maximum DC Contact Current	Termination Type	Manufacturer Series	Maximum DC Contact Voltage	Additional Features	Maximum AC Contact Voltage	JESD-609 Code
59050-3-U-00-0	Littelfuse	DRY REED SWITCH
59050-3-S-00-0	Littelfuse	DRY REED SWITCH
MACD-14-25-30	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	30 AT	.35A@140VAC		25 AT	BULK	2.28 mm		HERMETICALLY SEALED	14 mm	0.5A@200VDC	125 Cel	.35 A	-40 Cel	5.3 kHz		.5 A	SOLDER		200 V	STANDARDS: CUL; UL	140 V
MISM-7B6-10	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	10 AT	.18A@120VAC		6 AT	BULK	1.8 mm		HERMETICALLY SEALED	7 mm	0.25A@170VDC	125 Cel	.18 A	-40 Cel	14 kHz		.25 A	SOLDER		170 V		120 V
MISM-7B10-15	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	15 AT	.18A@120VAC		10 AT	BULK	1.8 mm		HERMETICALLY SEALED	7 mm	0.25A@170VDC	125 Cel	.18 A	-40 Cel	14 kHz		.25 A	SOLDER		170 V		120 V
MISM-7B56-10	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	10 AT	.18A@120VAC		6 AT	BULK	1.8 mm		HERMETICALLY SEALED	7 mm	0.25A@170VDC	125 Cel	.18 A	-40 Cel	14 kHz		.25 A	SOLDER		170 V		120 V
MISM-7R515-20	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	20 AT	.18A@120VAC		15 AT	TR, 13 INCH	1.8 mm		HERMETICALLY SEALED	7 mm	0.25A@170VDC	125 Cel	.18 A	-40 Cel	14 kHz		.25 A	SOLDER		170 V		120 V
MISM-7R10-15	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	15 AT	.18A@120VAC		10 AT	TR, 13 INCH	1.8 mm		HERMETICALLY SEALED	7 mm	0.25A@170VDC	125 Cel	.18 A	-40 Cel	14 kHz		.25 A	SOLDER		170 V		120 V
MISM-7R510-15	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	15 AT	.18A@120VAC		10 AT	TR, 13 INCH	1.8 mm		HERMETICALLY SEALED	7 mm	0.25A@170VDC	125 Cel	.18 A	-40 Cel	14 kHz		.25 A	SOLDER		170 V		120 V
MISM-7B515-20	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	20 AT	.18A@120VAC		15 AT	BULK	1.8 mm		HERMETICALLY SEALED	7 mm	0.25A@170VDC	125 Cel	.18 A	-40 Cel	14 kHz		.25 A	SOLDER		170 V		120 V
MISM-7R56-10	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	10 AT	.18A@120VAC		6 AT	TR, 13 INCH	1.8 mm		HERMETICALLY SEALED	7 mm	0.25A@170VDC	125 Cel	.18 A	-40 Cel	14 kHz		.25 A	SOLDER		170 V		120 V
MISM-7B510-15	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	15 AT	.18A@120VAC		10 AT	BULK	1.8 mm		HERMETICALLY SEALED	7 mm	0.25A@170VDC	125 Cel	.18 A	-40 Cel	14 kHz		.25 A	SOLDER		170 V		120 V
MACD-14-15-20	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	20 AT	.35A@140VAC		15 AT	BULK	2.28 mm		HERMETICALLY SEALED	14 mm	0.5A@200VDC	125 Cel	.35 A	-40 Cel	5.3 kHz		.5 A	SOLDER		200 V	STANDARDS: CUL; UL	140 V
MITI-715-20	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	20 AT	.18A@120VAC		15 AT	BULK	1.8 mm		HERMETICALLY SEALED	7 mm	0.25A@170VDC	125 Cel	.18 A	-40 Cel	14 kHz		.25 A	SOLDER		170 V	STANDARD: CUL; UL	120 V
MACD-14-10-15	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	15 AT	.35A@140VAC		10 AT	BULK	2.28 mm		HERMETICALLY SEALED	14 mm	0.5A@200VDC	125 Cel	.35 A	-40 Cel	5.3 kHz		.5 A	SOLDER		200 V	STANDARDS: CUL; UL	140 V
MITI-710-15	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	15 AT	.18A@120VAC		10 AT	BULK	1.8 mm		HERMETICALLY SEALED	7 mm	0.25A@170VDC	125 Cel	.18 A	-40 Cel	14 kHz		.25 A	SOLDER		170 V	STANDARD: CUL; UL	120 V
MISM-7B15-20	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	20 AT	.18A@120VAC		15 AT	BULK	1.8 mm		HERMETICALLY SEALED	7 mm	0.25A@170VDC	125 Cel	.18 A	-40 Cel	14 kHz		.25 A	SOLDER		170 V		120 V
MACD-14-20-25	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	25 AT	.35A@140VAC		20 AT	BULK	2.28 mm		HERMETICALLY SEALED	14 mm	0.5A@200VDC	125 Cel	.35 A	-40 Cel	5.3 kHz		.5 A	SOLDER		200 V	STANDARDS: CUL; UL	140 V
MDRR-DT-25-35-U	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	CHANGE-OVER	35 AT	0.18A@120VAC		25 AT	BULK	2.54 mm			14.73 mm	0.25A@175VDC	125 Cel	.18 A	-40 Cel	11 kHz		.25 A	SOLDER		175 V	STANDARDS: CUL; UL	120 V
MDRR-DT-25-35-F	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	CHANGE-OVER	35 AT	0.18A@120VAC		25 AT	BULK	2.54 mm			14.73 mm	0.25A@175VDC	125 Cel	.18 A	-40 Cel	11 kHz		.25 A	SOLDER		175 V	STANDARDS: CUL; UL	120 V
MDCG-4-27-33AT	Littelfuse	DRY REED SWITCH																				MDCG-4
MDCG-4-27-38	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	38 AT	.35A@140VAC		12 AT		2.28 mm			15.24 mm	.5A@200VDC	125 Cel	.35 A	-40 Cel	3.9 kHz	TIN	.5 A	SOLDER		200 V		140 V	e3
MDSM-4R-17-23	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	38 AT	.35A@140VAC	17 AT	12 AT		2.28 mm		HERMETICALLY SEALED	15.24 mm	.5A@200VDC	125 Cel	.35 A	-40 Cel	3.9 kHz	TIN	.5 A	SOLDER		200 V		140 V	e3
MDCG-4-12-23	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	38 AT	.35A@140VAC		12 AT		2.28 mm			15.24 mm	.5A@200VDC	125 Cel	.35 A	-40 Cel	3.9 kHz	TIN	.5 A	SOLDER		200 V		140 V	e3
MDCG-4-17-23AT	Littelfuse	DRY REED SWITCH																				MDCG-4
MDCG-4-12-23AT	Littelfuse	DRY REED SWITCH																				MDCG-4
MDCG-4-27-38AT	Littelfuse	DRY REED SWITCH																				MDCG-4
MDCG-4-17-28AT	Littelfuse	DRY REED SWITCH																				MDCG-4
MDSM-4B-12-18	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	18 AT	.35A@140VAC		12 AT	BULK	2.28 mm		HERMETICALLY SEALED	15.24 mm	.5A@200VDC	125 Cel	.35 A	-40 Cel	3.9 kHz	TIN	.5 A	SOLDER		200 V		140 V	e3
MDCG-4-22-28AT	Littelfuse	DRY REED SWITCH																				MDCG-4
MDCG-4-12-18	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	38 AT	.35A@140VAC		12 AT		2.28 mm			15.24 mm	.5A@200VDC	125 Cel	.35 A	-40 Cel	3.9 kHz	TIN	.5 A	SOLDER		200 V		140 V	e3
MDCG-4-22-28	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	38 AT	.35A@140VAC		12 AT		2.28 mm			15.24 mm	.5A@200VDC	125 Cel	.35 A	-40 Cel	3.9 kHz	TIN	.5 A	SOLDER		200 V		140 V	e3
MDSM-4	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-RIGHT ANGLE	SPST	38 AT			12 AT		2.28 mm		HERMETICALLY SEALED	15.24 mm	.5A@200VDC	125 Cel		-40 Cel	3.9 kHz		.5 A	SOLDER	MDSM-4	200 V
MDCG-4-22-33	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	38 AT	.35A@140VAC		12 AT		2.28 mm			15.24 mm	.5A@200VDC	125 Cel	.35 A	-40 Cel	3.9 kHz	TIN	.5 A	SOLDER		200 V		140 V	e3
59045-1-U-00-0	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	30 AT	.35@140VAC		25 AT	BOX; BULK	17.78 mm	3.3 inch	HERMETICALLY SEALED	4.32 mm	.5A@200VDC	105 Cel	.35 A	-40 Cel			.5 A	SOLDER		200 V		140 V
MDCG-4-32-38AT	Littelfuse	DRY REED SWITCH																				MDCG-4
MDCG-4	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	38 AT			12 AT		2.28 mm		HERMETICALLY SEALED	15.24 mm	.5A@200VDC	125 Cel		-40 Cel	3.9 kHz		.5 A	SOLDER	MDCG-4	200 V
MDSM-10	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-RIGHT ANGLE	SPST	25 AT			10 AT		1.8 mm		HERMETICALLY SEALED	10.16 mm	.5A@200VDC	125 Cel		-40 Cel	6.5 kHz		.5 A	SOLDER	MDSM-10	200 V
MDCG-4-32-38	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	38 AT	.35A@140VAC		12 AT		2.28 mm			15.24 mm	.5A@200VDC	125 Cel	.35 A	-40 Cel	3.9 kHz	TIN	.5 A	SOLDER		200 V		140 V	e3
MDCG-4-22-33AT	Littelfuse	DRY REED SWITCH																				MDCG-4
MDCG-4-27-33	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	38 AT	.35A@140VAC		12 AT		2.28 mm			15.24 mm	.5A@200VDC	125 Cel	.35 A	-40 Cel	3.9 kHz	TIN	.5 A	SOLDER		200 V		140 V	e3
MDSM-DT	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-RIGHT ANGLE	SPDT	30 AT			15 AT		2.54 mm		HERMETICALLY SEALED	14.73 mm	.25A@175VDC	125 Cel		-40 Cel	11 kHz		.25 A	SOLDER	MDSM-DT	175 V
MDSM-DTR-25-30	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	CHANGE-OVER	30 AT	.18A@120VAC		25 AT		14.73 mm		HERMETICALLY SEALED	2.54 mm	.25A@175VDC	125 Cel	.18 A	-40 Cel	11 kHz		.25 A	SOLDER		175 V		120 V
MDCG-4-17-28	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	38 AT	.35A@140VAC		12 AT		2.28 mm			15.24 mm	.5A@200VDC	125 Cel	.35 A	-40 Cel	3.9 kHz	TIN	.5 A	SOLDER		200 V		140 V	e3
MDSM-10B-10-15	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	15 AT	.35A@140VAC		10 AT	BULK	1.8 mm		HERMETICALLY SEALED	10.16 mm	.5A@200VDC	125 Cel	.35 A	-40 Cel	6.5 kHz		.5 A	SOLDER		200 V		140 V
MDSM-10R-10-25	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	25 AT	.35A@140VAC		10 AT	TR, 13 INCH	1.8 mm		HERMETICALLY SEALED	10.16 mm	.5A@200VDC	125 Cel	.35 A	-40 Cel	6.5 kHz		.5 A	SOLDER		200 V		140 V
MDSM-10R-15-20	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	20 AT	.35A@140VAC		15 AT	TR, 13 INCH	1.8 mm		HERMETICALLY SEALED	10.16 mm	.5A@200VDC	125 Cel	.35 A	-40 Cel	6.5 kHz		.5 A	SOLDER		200 V		140 V
MDSM-10B-10-25	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	25 AT	.35A@140VAC		10 AT	BULK	1.8 mm		HERMETICALLY SEALED	10.16 mm	.5A@200VDC	125 Cel	.35 A	-40 Cel	6.5 kHz		.5 A	SOLDER		200 V		140 V

Magnetic reed switches are electrical switches that use a magnet to activate a pair of reed switches, which are thin, ferromagnetic metal blades that are hermetically sealed in a glass envelope. They are commonly used in a variety of applications, such as security systems, automotive electronics, and medical devices.

Magnetic reed switches consist of two reed switches that are positioned in close proximity to each other. When a magnetic field is applied to the switch, the reed switches attract each other, completing the electrical circuit. When the magnetic field is removed, the reed switches return to their original position, breaking the circuit.

Magnetic reed switches offer several advantages over other types of switches. They are highly reliable and have a long operational life, as they have no moving parts that can wear out or break down over time. They are also easy to install and operate, and they can be used in a wide range of applications.